pushing to github

git add .
git commit -m "message for the commit"
git remote add origin https://url-of-github-repo
git push origin master

git add .
git commit -m "First commit"
git push origin master

git remote add origin https://github.com/yourusername/your-repo-name.git

git push origin branch-name

$ git init

git push  <REMOTENAME> <BRANCHNAME>